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Heil microphone driving IC-735?
I recently purchased a slightly used Heil Goldline GM-5 microphone,
attempting to use it with an ICOM 735 transceiver. I have read Heil's web page about the Icom 735 -15dB down on its internal microphone preamplifier compared to many other radios. I can only get the GM-5 to drive my IC-735 effectively if the MIC GAIN is 100% open and the COMP LEVEL is up as HIGH as possible. I am getting very good audio reports compared to the default ICOM HM-12 handheld microphone, but the Heil GM-5 is not driving the rig very hard and power output is quite reduced compared to the HM-12 mic. Has anyone out there had a similar experience and if so any suggestions on what I might do to improve the driving ability of either the rig or the Heil GM-5? Larry Gagnon VE7EA -- ================================== to send direct email remove "fake" |
On Wed, 03 Nov 2004 16:59:25 -0800, Larry Gagnon
wrote: I recently purchased a slightly used Heil Goldline GM-5 microphone, attempting to use it with an ICOM 735 transceiver. I have read Heil's web page about the Icom 735 -15dB down on its internal microphone preamplifier compared to many other radios. I can only get the GM-5 to drive my IC-735 effectively if the MIC GAIN is 100% open and the COMP LEVEL is up as HIGH as possible. I am getting very good audio reports compared to the default ICOM HM-12 handheld microphone, but the Heil GM-5 is not driving the rig very hard and power output is quite reduced compared to the HM-12 mic. Has anyone out there had a similar experience and if so any suggestions on what I might do to improve the driving ability of either the rig or the Heil GM-5? Larry Gagnon VE7EA You might want to try a W2IHY audio equalizer found at W2IHY.com Works great for me Don KK6J |
On Wed, 03 Nov 2004 16:59:25 -0800, Larry Gagnon
wrote: I recently purchased a slightly used Heil Goldline GM-5 microphone, attempting to use it with an ICOM 735 transceiver. I have read Heil's web page about the Icom 735 -15dB down on its internal microphone preamplifier compared to many other radios. I can only get the GM-5 to drive my IC-735 effectively if the MIC GAIN is 100% open and the COMP LEVEL is up as HIGH as possible. I am getting very good audio reports compared to the default ICOM HM-12 handheld microphone, but the Heil GM-5 is not driving the rig very hard and power output is quite reduced compared to the HM-12 mic. Has anyone out there had a similar experience and if so any suggestions on what I might do to improve the driving ability of either the rig or the Heil GM-5? Larry Gagnon VE7EA You might want to try a W2IHY audio equalizer found at W2IHY.com Works great for me Don KK6J |
On Wed, 03 Nov 2004 16:59:25 -0800, Larry Gagnon
wrote: I recently purchased a slightly used Heil Goldline GM-5 microphone, attempting to use it with an ICOM 735 transceiver. I have read Heil's web page about the Icom 735 -15dB down on its internal microphone preamplifier compared to many other radios. I can only get the GM-5 to drive my IC-735 effectively if the MIC GAIN is 100% open and the COMP LEVEL is up as HIGH as possible. I am getting very good audio reports compared to the default ICOM HM-12 handheld microphone, but the Heil GM-5 is not driving the rig very hard and power output is quite reduced compared to the HM-12 mic. Has anyone out there had a similar experience and if so any suggestions on what I might do to improve the driving ability of either the rig or the Heil GM-5? Larry Gagnon VE7EA You might want to try a W2IHY audio equalizer found at W2IHY.com Works great for me Don KK6J |
Heil makes an inline preamp specifically for your problem.
Maybe snoop around their website a little. http://www.heilsound.com/amateur/default.htm "Larry Gagnon" wrote in message om... I recently purchased a slightly used Heil Goldline GM-5 microphone, attempting to use it with an ICOM 735 transceiver. I have read Heil's web page about the Icom 735 -15dB down on its internal microphone preamplifier compared to many other radios. I can only get the GM-5 to drive my IC-735 effectively if the MIC GAIN is 100% open and the COMP LEVEL is up as HIGH as possible. I am getting very good audio reports compared to the default ICOM HM-12 handheld microphone, but the Heil GM-5 is not driving the rig very hard and power output is quite reduced compared to the HM-12 mic. Has anyone out there had a similar experience and if so any suggestions on what I might do to improve the driving ability of either the rig or the Heil GM-5? Larry Gagnon VE7EA -- ================================== to send direct email remove "fake" |
Heil makes an inline preamp specifically for your problem.
Maybe snoop around their website a little. http://www.heilsound.com/amateur/default.htm "Larry Gagnon" wrote in message om... I recently purchased a slightly used Heil Goldline GM-5 microphone, attempting to use it with an ICOM 735 transceiver. I have read Heil's web page about the Icom 735 -15dB down on its internal microphone preamplifier compared to many other radios. I can only get the GM-5 to drive my IC-735 effectively if the MIC GAIN is 100% open and the COMP LEVEL is up as HIGH as possible. I am getting very good audio reports compared to the default ICOM HM-12 handheld microphone, but the Heil GM-5 is not driving the rig very hard and power output is quite reduced compared to the HM-12 mic. Has anyone out there had a similar experience and if so any suggestions on what I might do to improve the driving ability of either the rig or the Heil GM-5? Larry Gagnon VE7EA -- ================================== to send direct email remove "fake" |
Heil makes an inline preamp specifically for your problem.
Maybe snoop around their website a little. http://www.heilsound.com/amateur/default.htm "Larry Gagnon" wrote in message om... I recently purchased a slightly used Heil Goldline GM-5 microphone, attempting to use it with an ICOM 735 transceiver. I have read Heil's web page about the Icom 735 -15dB down on its internal microphone preamplifier compared to many other radios. I can only get the GM-5 to drive my IC-735 effectively if the MIC GAIN is 100% open and the COMP LEVEL is up as HIGH as possible. I am getting very good audio reports compared to the default ICOM HM-12 handheld microphone, but the Heil GM-5 is not driving the rig very hard and power output is quite reduced compared to the HM-12 mic. Has anyone out there had a similar experience and if so any suggestions on what I might do to improve the driving ability of either the rig or the Heil GM-5? Larry Gagnon VE7EA -- ================================== to send direct email remove "fake" |
That preamp (which never worked real well) has been out of production for a
long time. The Goldline mic. was never designed for the older Icoms. I think you're honked. Drop a line to Bob Heil at Heil.com. He'll give you the straight skinny. I believe there is actually a lot of valuable information you might want to look at, on his website www.heilsound.com Van, KL7TDZ "Hamguy" wrote in message ... Heil makes an inline preamp specifically for your problem. Maybe snoop around their website a little. http://www.heilsound.com/amateur/default.htm "Larry Gagnon" wrote in message om... I recently purchased a slightly used Heil Goldline GM-5 microphone, attempting to use it with an ICOM 735 transceiver. I have read Heil's web page about the Icom 735 -15dB down on its internal microphone preamplifier compared to many other radios. I can only get the GM-5 to drive my IC-735 effectively if the MIC GAIN is 100% open and the COMP LEVEL is up as HIGH as possible. I am getting very good audio reports compared to the default ICOM HM-12 handheld microphone, but the Heil GM-5 is not driving the rig very hard and power output is quite reduced compared to the HM-12 mic. Has anyone out there had a similar experience and if so any suggestions on what I might do to improve the driving ability of either the rig or the Heil GM-5? Larry Gagnon VE7EA -- ================================== to send direct email remove "fake" |
That preamp (which never worked real well) has been out of production for a
long time. The Goldline mic. was never designed for the older Icoms. I think you're honked. Drop a line to Bob Heil at Heil.com. He'll give you the straight skinny. I believe there is actually a lot of valuable information you might want to look at, on his website www.heilsound.com Van, KL7TDZ "Hamguy" wrote in message ... Heil makes an inline preamp specifically for your problem. Maybe snoop around their website a little. http://www.heilsound.com/amateur/default.htm "Larry Gagnon" wrote in message om... I recently purchased a slightly used Heil Goldline GM-5 microphone, attempting to use it with an ICOM 735 transceiver. I have read Heil's web page about the Icom 735 -15dB down on its internal microphone preamplifier compared to many other radios. I can only get the GM-5 to drive my IC-735 effectively if the MIC GAIN is 100% open and the COMP LEVEL is up as HIGH as possible. I am getting very good audio reports compared to the default ICOM HM-12 handheld microphone, but the Heil GM-5 is not driving the rig very hard and power output is quite reduced compared to the HM-12 mic. Has anyone out there had a similar experience and if so any suggestions on what I might do to improve the driving ability of either the rig or the Heil GM-5? Larry Gagnon VE7EA -- ================================== to send direct email remove "fake" |
That preamp (which never worked real well) has been out of production for a
long time. The Goldline mic. was never designed for the older Icoms. I think you're honked. Drop a line to Bob Heil at Heil.com. He'll give you the straight skinny. I believe there is actually a lot of valuable information you might want to look at, on his website www.heilsound.com Van, KL7TDZ "Hamguy" wrote in message ... Heil makes an inline preamp specifically for your problem. Maybe snoop around their website a little. http://www.heilsound.com/amateur/default.htm "Larry Gagnon" wrote in message om... I recently purchased a slightly used Heil Goldline GM-5 microphone, attempting to use it with an ICOM 735 transceiver. I have read Heil's web page about the Icom 735 -15dB down on its internal microphone preamplifier compared to many other radios. I can only get the GM-5 to drive my IC-735 effectively if the MIC GAIN is 100% open and the COMP LEVEL is up as HIGH as possible. I am getting very good audio reports compared to the default ICOM HM-12 handheld microphone, but the Heil GM-5 is not driving the rig very hard and power output is quite reduced compared to the HM-12 mic. Has anyone out there had a similar experience and if so any suggestions on what I might do to improve the driving ability of either the rig or the Heil GM-5? Larry Gagnon VE7EA -- ================================== to send direct email remove "fake" |
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