HH powered mixer MA-100

100 watts solid state.

This is a vintage item that is over 51 years old.  It is still working and sounds pretty good.  It has had some repairs done in it's lifetime and is a working 'players grade' item, as opposed to some museum piece for collectors.

Please read the description and view the photos to be clear about what it is for sale.  Oh yeah and by the way, I wrote this - it wasn't some bit of crappy sales talk generated by ebay's AI robot.

The mixer has 5 channels each with two inputs for a jack lead.  Each channel has individual volume and treble and bass controls, and there is a master volume and presence control over on the right of the front panel.  Each channel also has a button to switch-on the reverb effect, and the reverb has a master depth control.  It's quite a subtle reverb on this amp particular amp, but nice sounding.

At the time these amps came out in the 1970s they would have been used as a band's PA, or part of the set-up for a keyboard player.  Though it still has some potential for the same use these days, guitar players have started to take notice of these amps, as they make an excellent platform to plug a pedal board into, front and back.

There is an effects loop round the back and a couple of additional jack sockets for hooking-up other equipment.

The amp puts out a loud 100 watts into a 4 ohm load.  If you plug it into an 8 ohm speaker you will get about 71 watts out of it.  The tone controls are quite effective but note that if you are running the amp at high volume then turn down the bass and treble for a better sound and less stress on your speakers.  This is just general advice for any amp by the way, not just this one.

As with any amp of this kind of age bracket there is a bit of ambient hiss which creeps in as you turn the volume controls up full.  To reduce this ensure that you put a strong enough signal into the amp at the input stage, so you don't need to apply as much gain to get to max volume.

The amp will run on various mains voltages from 115 volts through to 240 volts.

The amp is instantly recognisable on stage with it's distinctive look and luminous green turquoise front panel.  The luminescent strip is in pretty good shape still, with just a few tiny dead spots that aren't visible from a distance.  It's not as bright as later editions but this was just the way it was made.  Be aware that this panel runs on the full 240 volts, so take extra precautions if you intend to take the covers off the amp and look inside.

The amp is in reasonable condition for it's age.  The knobs are loosing their chrome finish and the black plastic is showing through.  One of the handles has been smashed at some point in the past, and then painstakenly glued back together by some dedicated past owner.  For this reason be a bit wary when picking the thing up and carrying it around (use both handles).  The handles are quite scuffed-up, which is a common sight on these amps.

The top and bottom covers are in good condition but have shrunk a little with age.  Again this is something that is becoming increasingly apparent as these amps get older.  You will notice a gap running down each side next to the handles, and also they don't quite cover the front edges of the amp chassis.  Can't do anything about this, sorry.

The amp measures 26 inches wide, 4.5 inches high and 11.5 inches deep (26cm x 11cm x 30cm).  It's fairly lightweight at 8.6kg.

I am selling the amp only, no power lead included.

The amp has had some repairs done to it.  It's an early model, built in 1972 but has had the output stage replaced with a later version.  I would say that the original board would have been one of their first to use 2N3773 devices, and probably burnt-out in a moment of stage intensity.  The later models were more reliable.  It might also have been because the voltage selector on the back of the amp had been set incorrectly - 220 volts instead of 240 for UK use.  It was still like this when I acquired it, and in fact I had to replace one of the resistors on the new board which was getting crispy (the amp was still going like this).  The reverb board also had a fault and I replaced this with a one from another amp.  All working now.

All 5 channels on the amp are working without issues.  No scratchy controls and the jack sockets are all good.

Selling at a buy-it-now price of £90.  Going by the price of spare parts for these amps here on ebay, you could make that back by breaking it up for spares.  I would hope that the buyer wouldn't do this though, cos it's a nice amp and worth preserving..

So there you have it - an honest appraisal of what the amp is.  Some of the faults I have described above you find on all these amps listed on ebay, but I just tell you about them.  Do you get that from other sellers? I have bought a lot of these amps in the past, so I know.

Check out youtube for vids and demo's.  These are really quite amazing amps with a distinctive look and good quality sound.  HH made all the studio amps for the BBC, and you find the same quality of design in this amp.

Postage to a UK destination is £15.  The amp can be collected from Dalston in London at no charge.  Overseas buyers can only purchase through ebay's global shipping programme, and the price will depend upon destination.  I don't have any control over what they charge and can't advise on the likely cost.  If your destination address is one on the list then the charge will appear on your listing page.

I work a full time job and only get the time to do any packing on the weekend.  This is why the delivery time states 10 days, please be patient.

Thank you for looking, perhaps check out some of my other listings. 

Routine small print follows.....

The item is located in Dalston, London, E8 postcode.  We are on the borders of Islington and Stoke Newington and fairly central (zone 2 on the tube map).  The closest station is Dalston Junction on the Overground.

Payment expected within 5 days.

Paypal or ebay managed payments or cash on collection.

The postage charge quoted is for UK mainland delivery.  If you live on an island or some other far-flung place like the Scottish Highlands then confirm the postage rate with me first.  If your postcode is classed as a remote area then the courier is very likely to surcharge for delivery and I will need to pass this price on to you.  Email first if you think this might apply to you.

Please read the item description and take a close look at the photos so that you are fully aware of what you are buying.  In particular take a look at any faults in the item that I have pointed out. 

The sort of things I sell on ebay tend to be music or audio related.  Out of this, just about everything is either hard to obtain or long discontinued or out of production or just generally rare.  It does not need to be rare and therefore expensive, but I put things up for sale which I know are difficult to find in a regular audio store.  I could just chuck them in the bin like most everybody else, but I just have this feeling, that somebody out there might want to own the sort of things I sell.  It might be some use to them, or it might have some nostalgic value.  But that does not mean that I will plug away and list the same thing week on week.  There has to come a point where I accept that the thing needs to go.  So if it does not sell then it might well end up getting broken up for parts or just ditched in the bin.  The best policy, if you are on the lookout for this particular item and you see that I have got it, then just buy it or bid on it if it is an auction.  Don't say 'oh he's going to list it again next week at a cheaper price and that is when I will buy it....'  because honestly it might never happen.  When it's gone it has gone.