Comments on: Concept 1 Delta Guitar Amplifer circa 1974 https://www.preservationsound.com/concept-1-delta-guitar-amplifer-circa-1974/ information and ideas about audio history Sun, 19 Nov 2023 16:33:40 +0000 hourly 1 https://wordpress.org/?v=6.9.4 By: John King https://www.preservationsound.com/concept-1-delta-guitar-amplifer-circa-1974/#comment-634978 Sun, 19 Nov 2023 16:33:40 +0000 http://www.preservationsound.com/?p=4679#comment-634978 Walter, do you still have the Concept 1 system? I came across the head recently and have been doing some repairs to bring it up to spec. I would be interested in the speaker cabs and foot switch.

]]> By: Walter Easley https://www.preservationsound.com/concept-1-delta-guitar-amplifer-circa-1974/#comment-618523 Sun, 13 Feb 2022 00:08:15 +0000 http://www.preservationsound.com/?p=4679#comment-618523 In reply to steve danielson.

I have the entire system if you are still interested.

]]> By: Walter Easley https://www.preservationsound.com/concept-1-delta-guitar-amplifer-circa-1974/#comment-618522 Sun, 13 Feb 2022 00:03:09 +0000 http://www.preservationsound.com/?p=4679#comment-618522 I have the entire Delta concept 1 system, including the foot switches & the echo (but it requires 8 track tapes). He contacted Harvey Greats’ son with no reply on a question about tubes. If anyone is interested in purchase, please contact.

]]> By: steve danielson https://www.preservationsound.com/concept-1-delta-guitar-amplifer-circa-1974/#comment-580585 Mon, 20 May 2019 18:19:23 +0000 http://www.preservationsound.com/?p=4679#comment-580585 In reply to Carl Wiesener.

Carl,

Old thread, but I am interested if you still have the concept 1 head.

]]> By: Daniel Astor https://www.preservationsound.com/concept-1-delta-guitar-amplifer-circa-1974/#comment-521311 Fri, 17 Aug 2018 02:28:48 +0000 http://www.preservationsound.com/?p=4679#comment-521311 As a Young man at my first NAMM Showt in Los Angeles. Frank Zappa walked in with one of their heads. and slammed it to the floor and said “Thanks but no thanks!” They wanted Frank to be an investor of these amplifiers…
I guess that didn’t go too well…

]]> By: Brian https://www.preservationsound.com/concept-1-delta-guitar-amplifer-circa-1974/#comment-380273 Thu, 01 Dec 2016 00:40:20 +0000 http://www.preservationsound.com/?p=4679#comment-380273 Harvey Gerst has previously worked for JBL and was central to the development of the D130F from the original JBL D130. He’s offered a lot of great insight into the workings of many JBL speakers in various places on the net…

]]> By: Joe https://www.preservationsound.com/concept-1-delta-guitar-amplifer-circa-1974/#comment-352652 Sun, 10 Apr 2016 01:51:43 +0000 http://www.preservationsound.com/?p=4679#comment-352652 In reply to Carl Wiesener.

Is it still for sale?

]]> By: Al https://www.preservationsound.com/concept-1-delta-guitar-amplifer-circa-1974/#comment-352145 Sat, 02 Apr 2016 21:59:48 +0000 http://www.preservationsound.com/?p=4679#comment-352145 In reply to Carl Wiesener.

I need the 2×12 cabinet if anyone has one

]]> By: Carl Wiesener https://www.preservationsound.com/concept-1-delta-guitar-amplifer-circa-1974/#comment-299679 Sun, 22 Feb 2015 00:30:44 +0000 http://www.preservationsound.com/?p=4679#comment-299679 I have one of the concept 1 amplifier tops, by Delta Products. It was working great the last time I used it several years ago. I will pull it out and check it. If anyone is interested let me know. It is a 1974 model.

]]> By: sknoof https://www.preservationsound.com/concept-1-delta-guitar-amplifer-circa-1974/#comment-31126 Mon, 08 Oct 2012 23:25:15 +0000 http://www.preservationsound.com/?p=4679#comment-31126 I have one of these amps on eBay right now, if anyone’s interested…

http://www.ebay.com/itm/DELTA-PRODUCTS-Harvey-Gerst-CONCEPT-1-HEAD-RAREST-GUITAR-AMPLIFIER-ON-EARTH-/251164344549?pt=LH_DefaultDomain_0&hash=item3a7a8fc0e5

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