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This page displays the information available for the Arp-Tonus 2600 &3604P, Roger Glover n/p (Sphere item # 27289).
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Detailed description, from the owner or the reseller, prices and supported shipment are displayed. Question and answers as well as reserving or bidding for the item are also available on dedicated pages by using the links on the menu.

Detail    top
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 Make Arp
 Model Tonus 2600 &3604P, Roger Glover n/p
 Description **NEW REDUCED START PRICE** A very rare and desirable early ARP 2600 and 3604-P, ex Roger Glover of Deep Purple. No written provenance, but the early manufacture coupled with the ROGER GLOVER stencil on the cases are pretty overwhelming evidence. Cosmetically it is pretty good, apart from a couple of slider tops missing, and a major piece of tolex missing off one case. The seller has painstakingly serviced it over the years so that it is now in almost perfect working order - just a few things to finish up - see his thorough notes below.

'This synth has Roger Glover stamped on the outside of the tolex case (which has a big tear on one end), I speculate that this may be the one used for the live ‘Butterfly Ball’ project. When I received it in the late 90s it was partially non-functional and stayed that way until about 2017 – it seemed to have had electronic damage among the modules mainly on the right hand side, the central and left side modules were unaffected (or at least functional) The main faults were a combination of things, the VCA and the S&H was non-functional along with faults in the area of the envelope generators. I replaced a dead 4019 VCA with one built on veroboard following the same circuit as original but new transistors – I could not open the 4019 module to repair as it was a completely epoxy potted one (which probably puts a certain date on this synth, as slightly later ones would have had partially epoxied and partially silicone potting) – it was destroyed trying to get into it but the PCB inside the epoxy block was ‘rescued’ for possible future use/replication. At this age the old front panel Switchcraft patch sockets aren’t a tight connection so are likely to give insecure connections, and occasionally some of the normalised switched routing. The sliders have two broken shafts, one of which I rescued the knob, the other was missing. Many op amps needed replacing including non-functional envelope, some affected voltage processors and dead S&H and others replaced along the way if they seemed to be the same chip type and batch – I replaced op amps with TL071, mostly socketed. The VCF is the 4012 ‘Moog’ type, which is nice – includes the original manual and patchbook'. UK power and mains lead. Packing 36GBP.

 Age n/a
 Weight n/a
 Condition Good
 Location Uk (Item is at Vemia Uk)
 Vat Not from a VAT-registered business. But VAT / duty may be due if importing from outside your trade bloc.
 Quantity 1 item is available from the owner
 Options User manual : Yes
  Service manual : No
  First owner : No
  Original boxes : No
 Plug type United Kingdom standard plug
 Voltage type Internal 220-240V power supply
 Status Item is still available
 Sale type The item is on the auction rooms
 Ending on 14/04/2024
 Category Synthesizer (Modular) 
 Serial number Unknown
 Sphere reference # 27289
 Statistics Created on : 10/03/2024 
Changed on : 13/04/2024 
  Published on : (Not published)
  Displayed : 1114 time(s) by members and guests  
Safety All electrical items sold in VEMIA are deemed to be trade sales. No warranty of electrical safety is given or implied. Many items are vintage and would not pass current electrical safety standards. It is the responsibility of the buyer to ensure that items are safe to use in their future environment - if necessary by using the services of a professional.


Prices and conditions    top
The following section gives you the prices as well as shipment and payment conditions associated with the item. Payment is always requested in GBP. Converted price is shown for information and converted with Sphere standard currency rate.

Shipment and Payment links gives you access to an extended description of our rating :
 Start price 5629 GBP
 Converted price (1) 5629 GBP
 Shipment International or local shipment to pay
 Packing costs 36 GBP
 Payment Full pre payment needed
 Auction bid step 50 GBP
 Auction highest bid 0 GBP
 Converted highest bid 0 GBP
 Leader or winner *None
 (1) Currency conversion Note that conversion rates were last adjusted on 5th October 2022 at 10:56 CET. They are there to give you a rough guide to the bid price in your currency. Please check for a more up-to-date conversion at The bid price will be the actual price in pounds (GBP) at the moment the auction closes. This will be roughly converted to your currency for your information.

For technical reasons, we are unable to update the conversion from GBP to Euro during the auction, although it has changed by well over 10%. If you are in the euro zone please check the current rate at

Payments from UK and non-Euro currency regions must always be in GBP. Payments to and from Euro currency regions can be in Euros via our French bank.The applicable Euro amount will be the exact amount specified on your invoice or credit note. For more info please see the FAQ about exchange rates.

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