Write a Review × IBANEZ Ibanez AC340 OPN Acoustic Guitar. $299.99. Ibanez Artwood AC340 Grand Concert Acoustic Guitar. Read more reviews. Ibanez AC340 OPN Acoustic Guitar IBANEZ. Get the guaranteed best price on Acoustic-Electric Guitars like the Ibanez AC340CE Artwood Cutaway Grand Concert Acoustic-Electric Guitar at Musician's Friend. The factory set-up is just fine, and the action is low, and very comfortable. ... Rate and Review this Product. Natural Open Pore. Ibanez AC340 OPN Acoustic Guitar. Mine came in a couple days ago, and I can’t put it down. The Ibanez rep informed that me the AC340 has identical specs to the 240 ( 1-3/4” nut, solid mahogany top) but with the ivory binding and a “thermo aged” bridgeplate. Mine came in a couple days ago, and I can"t put it down. The Ibanez rep informed that me the AC340 has identical specs to the 240 ( 1-3/4" nut, solid mahogany top) but with the ivory binding and a "thermo aged" bridgeplate. Beginners and advanced players alike will appreciate the tone produced from the all-mahogany construction of the AC340, as well as the attractive price. $628.11) or make 4 interest-free payments of $157.03 AUD fortnightly with More info. A year later, when I saw this new AC340, with nicely contrasting cream/ivory binding, I contacted Ibanez to check it out. Ibanez AC340 - Open Pore Natural: $299.99 » Ibanez AC340OPN Acoustic Guitar Natural: $299.99 » Artwood AC340 - Open Pore Natural: $299.99 » Write a Review.